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Heart and Vessels

, Volume 34, Issue 5, pp 801–808 | Cite as

Comparison between novel and standard high-density 3D electro-anatomical mapping systems for ablation of atrial tachycardia

  • Philippe MauryEmail author
  • Laure Champ-Rigot
  • Anne Rollin
  • Pierre Mondoly
  • Vanina Bongard
  • Michel Galinier
  • Didier Carrié
  • Emilie Marminia
  • Stefano Capellino
  • Lilian Marty
  • Paul Milliez
Original Article

Abstract

Ultra-high-density mapping allows very accurate characterization of circuits/mechanisms in atrial tachycardia (AT). Whether these advantages will translate into a better procedural or long-term clinical outcome is unknown. Sixty consecutive AT ablation procedures using ultra-high-density mapping (Rhythmia™, group 1) were retrospectively compared to 60 consecutive procedures using standard high-density mapping (Carto/NavX™, group 2) (total 209 AT, 79% left AT). A higher number of maps were performed in group 1 (4.8 ± 2.5 vs 3.2 ± 1.7, p = 0.0001) with similar acquisition duration (12 ± 5 vs 13 ± 6 min per map, p = ns), although with a greater number of activation points (10,543 ± 5854 vs 689 ± 1827 per map, p < 0.0001). AT location remained undetermined in 5 AT in group 1 vs 10 (p = 0.1). Mechanism remained undetermined in 5 AT from group 1 vs 11 (p = 0.06). Acute complete success was achieved in 77%, in both groups. At 1-year follow-up, AT recurred in 37% in group 1 vs 50% in group 2 (p = 0.046). There are less long-term recurrences after AT ablation using ultra-high-density mapping system compared to standard high-density 3D mapping, possibly because of a better comprehensive approach of AT mechanisms.

Keywords

Atrial tachycardia Mapping 3D electro-anatomical system Ablation 

Notes

Compliance with ethical standards

Conflict of interest

None except for SC who is employed by Boston Scientific.

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Copyright information

© Springer Japan KK, part of Springer Nature 2018

Authors and Affiliations

  • Philippe Maury
    • 1
    • 2
    Email author
  • Laure Champ-Rigot
    • 3
  • Anne Rollin
    • 1
  • Pierre Mondoly
    • 1
  • Vanina Bongard
    • 1
  • Michel Galinier
    • 1
  • Didier Carrié
    • 1
  • Emilie Marminia
    • 3
  • Stefano Capellino
    • 4
  • Lilian Marty
    • 1
  • Paul Milliez
    • 3
  1. 1.CardiologyUniversity Hospital RangueilToulouse Cedex 09France
  2. 2.Unité Inserm U 1048ToulouseFrance
  3. 3.University Hospital CaenCaenFrance
  4. 4.Boston ScientificParisFrance

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